Carburetor enhancement pump



FIG. 1 is a top plan view of a carburetor enhancement pump showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a front elevational view as viewed from the bottom of FIG. 1;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view as viewed from the right side of FIG. 4; and

FIG. 6 is a left side elevational view. 

The ornamental design for a carburetor enhancement pump, as shown and described. 